Publication: Interferons dominate damage and activity in juvenile scleroderma
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Authors
Kızmaz, Muhammed Ali
Bozkurt, Tuğçe
Authors
Köse, Hülya
Şimşek, Abdurrahman
Kızmaz, Muhammed Ali
Bozkurt, Tuğçe
Öztürk, Ferdi
Çekiç, Şükrü
Budak, Ferah
Sarıcaoğlu, Hayriye
Kılıç, Sara Şebnem
Advisor
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Oxford Univ Press
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Abstract
Objectives Juvenile scleroderma is a heterogeneous group of diseases associated with sclerotic skin lesions, grouped as juvenile systemic sclerosis and juvenile localized scleroderma. This study aims to measure the cytokine and chemokine levels involved in interferon (IFN) signalling in patients with juvenile scleroderma and determine their correlation with disease severity.Methods Twenty-nine juvenile localized scleroderma, five juvenile systemic sclerosis, and nine healthy controls were included in the study. Cytokines and chemokines involved in IFN gene signalling (IL-1, IL-6, IL-8, IP-10, MCP1, TNF-alpha, CXCL-11, IFN-alpha, IFN-beta, IFN-gamma) and IFN-stimulated genes (ISGs), including IFI27, IFI44, ISIG15, IFIT1, OAS1, RSAD2, were measured by ELISA and RT-PCR method, respectively.Results A significant increase in IFN-alpha, IFN-beta, IFN-gamma, TNF-alpha, IL-1, IL-6 IL-8, IP-10, and MCP1 levels was observed in patients with juvenile systemic sclerosis compared with the healthy control group. Furthermore, IFN-alpha and IP-10 were elevated in both juvenile localized scleroderma and juvenile systemic sclerosis compared to the healthy control group. IFN-gamma and IFN-alpha positively correlated with LoSAI and LoSDI levels, respectively. According to PGA-A analysis, IFN-beta, IFN-gamma, TNF-alpha, IL-8, IP10, MCP1, and CXCL11 were significantly higher in active disease than in the inactive state in both groups.Conclusion The results suggest that IFN signalling may be impaired in patients with juvenile scleroderma. Significant changes were observed in cytokines and genes related to IFN signalling, which may have a crucial role in monitoring disease activity. In addition, we have gained important insights into the possibility of using IFN-alpha and IFN-gamma as biomarkers for monitoring juvenile scleroderma activity and damage.
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Keywords
Systemic-lupus-erythematosus, Localized scleroderma, I interferon, Ifn-gamma, Sclerosis, Alpha, Activation, Therapy, Juvenile scleroderma, Juvenile systemic sclerosis, Interferon, Rheumatology